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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013-2014 Sage Electronic Engineering, LLC.
* Copyright (C) 2015 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#ifndef FSP_UTIL_H
#define FSP_UTIL_H
#include <types.h>
#include <arch/cpu.h>
#include <fsp_gop.h>
/*
* The following are functions with prototypes defined in the EDK2 headers. The
* EDK2 headers are included with chipset_fsp_util.h. Define the following
* names to reduce the use of CamelCase in the other source files.
*/
#define GetHobList get_hob_list
#define GetNextHob get_next_hob
#define GetFirstHob get_first_hob
#define GetNextGuidHob get_next_guid_hob
#define GetFirstGuidHob get_first_guid_hob
/* Include the EDK2 headers */
#include <chipset_fsp_util.h>
#if IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)
int save_mrc_data(void *hob_start);
void * find_and_set_fastboot_cache(void);
#endif
/* find_fsp() should only be called from assembly code. */
FSP_INFO_HEADER *find_fsp(void);
/* Set FSP's runtime information. */
void fsp_set_runtime(FSP_INFO_HEADER *fih, void *hob_list);
/* Use a new FSP_INFO_HEADER at runtime. */
void fsp_update_fih(FSP_INFO_HEADER *fih);
/* fsp_get_fih() is only valid after calling fsp_set_runtime(). */
FSP_INFO_HEADER *fsp_get_fih(void);
/* fsp_get_hob_list() is only valid after calling fsp_set_runtime(). */
void *fsp_get_hob_list(void);
void fsp_early_init(FSP_INFO_HEADER *fsp_info);
void fsp_notify(u32 phase);
void print_hob_type_structure(u16 hob_type, void *hob_list_ptr);
void print_fsp_info(FSP_INFO_HEADER *fsp_header);
void *get_next_type_guid_hob(UINT16 type, const EFI_GUID *guid,
const void *hob_start);
void *get_next_resource_hob(const EFI_GUID *guid, const void *hob_start);
void *get_first_resource_hob(const EFI_GUID *guid);
/*
* Relocate FSP entire binary into ram. Returns NULL on error. Otherwise the
* FSP_INFO_HEADER pointer to the relocated FSP.
*/
FSP_INFO_HEADER *fsp_relocate(void *fsp_src, size_t size);
/* Additional HOB types not included in the FSP:
* #define EFI_HOB_TYPE_HANDOFF 0x0001
* #define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
* #define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
* #define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
* #define EFI_HOB_TYPE_FV 0x0005
* #define EFI_HOB_TYPE_CPU 0x0006
* #define EFI_HOB_TYPE_MEMORY_POOL 0x0007
* #define EFI_HOB_TYPE_CV 0x0008
* #define EFI_HOB_TYPE_UNUSED 0xFFFE
* #define EFI_HOB_TYPE_END_OF_HOB_LIST 0xffff
*/
#define EFI_HOB_TYPE_HANDOFF 0x0001
#define EFI_HOB_TYPE_MEMORY_POOL 0x0007
#if IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)
#define MRC_DATA_ALIGN 0x1000
#define MRC_DATA_SIGNATURE (('M'<<0)|('R'<<8)|('C'<<16)|('D'<<24))
struct mrc_data_container {
u32 mrc_signature; // "MRCD"
u32 mrc_data_size; // Actual total size of this structure
u32 mrc_checksum; // IP style checksum
u32 reserved; // For header alignment
u8 mrc_data[0]; // Variable size, platform/run time dependent.
} __attribute__ ((packed));
struct mrc_data_container *find_current_mrc_cache(void);
void update_mrc_cache(void *unused);
#endif /* CONFIG_ENABLE_MRC_CACHE */
/* The offset in bytes from the start of the info structure */
#define FSP_IMAGE_SIG_LOC 0
#define FSP_IMAGE_ID_LOC 16
#define FSP_IMAGE_BASE_LOC 28
#define FSP_SIG 0x48505346 /* 'FSPH' */
#define ERROR_NO_FV_SIG 1
#define ERROR_NO_FFS_GUID 2
#define ERROR_NO_INFO_HEADER 3
#define ERROR_IMAGEBASE_MISMATCH 4
#define ERROR_INFO_HEAD_SIG_MISMATCH 5
#define ERROR_FSP_SIG_MISMATCH 6
#if ENV_RAMSTAGE
extern void *FspHobListPtr;
#endif
#endif /* FSP_UTIL_H */
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